base.html: add e-mail icon

_views/base.html

@@ -17,7 +17,7 @@
     <script defer src="https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/contrib/auto-render.min.js"
         integrity="sha384-mll67QQFJfxn0IYznZYonOWZ644AWYC+Pt2cHqMaRhXVrursRwvLnLaebdGIlYNa"
         crossorigin="anonymous"></script>
-    
+
     <script src="/public/base.min.js"></script>
 
     <link rel="stylesheet" href="/public/style.css">
@@ -33,6 +33,7 @@
 
     <footer>
         <div class="footer-item">
+            <i class="fa-solid fa-envelope"></i>
             <a href="mailto:{{ .Config.Email }}">{{ .Config.Email }}</a>
         </div>
     </footer>